CN109967561B - Auxiliary frame orthopedic device - Google Patents
Auxiliary frame orthopedic device Download PDFInfo
- Publication number
- CN109967561B CN109967561B CN201910353292.XA CN201910353292A CN109967561B CN 109967561 B CN109967561 B CN 109967561B CN 201910353292 A CN201910353292 A CN 201910353292A CN 109967561 B CN109967561 B CN 109967561B
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- iii
- frame
- pressure head
- feeding platform
- guide rail
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- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract 3
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 22
- 238000003825 pressing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/14—Straightening frame structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses an auxiliary frame orthopedic device which comprises a frame, wherein a vertical upward supporting device is arranged at the bottom of the frame, a horizontal guide rail and a horizontally arranged cylinder I are arranged at the upper part of the frame, a supporting plate is arranged at the lower part of the frame, a servo motor I is fixed on the supporting plate, the output end of the servo motor I is upwards connected with a feeding platform I through a linear transmission component, a pressure head I is arranged at the front end of the feeding platform I, a sliding table I is arranged on the horizontal guide rail, the output end of the cylinder I is inwards connected with the sliding table I, a servo motor III is fixed on the sliding table I, the output end of the servo motor III is downwards connected with a ball screw III, the ball screw III is connected with the feeding platform III, the front end of the feeding platform III is provided with a pressure head III, and the front end, the rear end, the left end and the right end of the frame are respectively provided with a pressure head, and the auxiliary frame can be spatially orthopedic in six directions from top to bottom, left and right.
Description
Technical Field
The invention relates to the technical field of auxiliary frame correction, in particular to an auxiliary frame correction device.
Background
With the development of automobile manufacturing technology, aluminum materials replace more and more parts made of steel materials, such as auxiliary frames, and the auxiliary frames made of aluminum alloy meet the strength requirement and can reduce weight to a great extent. At present, a popular auxiliary frame is of a cast section welding structure, namely, the auxiliary frame is formed by splicing four parts, a front beam and a rear beam are made of sections, and a left beam and a right beam are made of castings. In order to improve product quality, control foundry goods warp, need to carry out the shape correcting to left beam and right beam before the welding, this patent provides an auxiliary frame orthopedic device based on this current situation, improves foundry goods quality.
Disclosure of Invention
In view of the above, the invention aims to provide an auxiliary frame orthopedic device which can spatially orthopedic an auxiliary frame from six directions of up and down, left and right, front and back, and can be used as a reference for a double pressure head, so that the deformation of up and down, front and back and the deformation of too large or too small hole spacing can be solved, and the auxiliary frame orthopedic device is flexible, practical, convenient and quick.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides an orthopedic device of sub vehicle frame, includes frame (5), the frame bottom is equipped with vertical ascending strutting arrangement, frame upper portion is provided with horizontal guide and the cylinder I that the level set up, the frame lower part is provided with the backup pad, be fixed with servo motor I in the backup pad, servo motor I's output upwards passes through the linear drive component and connects feeding platform I, feeding platform I's front end is provided with pressure head I, install slip table I on the horizontal guide, the output of cylinder I is inwards connected slip table I, be fixed with servo motor III on the slip table I, servo motor III output is connected ball III downwards, ball III is connected with feeding platform III, feeding platform III's front end is provided with pressure head III.
In one or some embodiments, the linear drive member is a ball screw i, which is coupled to the feed platform i.
In one or some embodiments, a guide rail iii is further fixed on the sliding table i, and the feeding platform iii is disposed on the guide rail iii.
In one or some embodiments, two sides of the frame corresponding to the top surface of the supporting device are provided with a servo motor II with an inward output end, the output end of the servo motor II is connected with a ball screw II, the ball screw II is connected with a feeding platform II, the front end of the feeding platform II is provided with a pressure head II, a sliding table II is further arranged on the horizontal guide rail, the sliding table II is connected with the output end of a cylinder II fixed on the frame, the sliding table II is fixed with a cylinder III, the output end of the cylinder III is connected with a sliding table III, and the front end of the sliding table III is provided with a pressure head IV.
In one or some embodiments, a vertical guide rail is further fixed on the sliding table ii, and the sliding table iii is disposed on the vertical guide rail.
In one or some embodiments, servo motors v and iv with horizontally inward output ends are arranged in front of and behind the frame corresponding to the top surface of the supporting device, the output ends of the servo motors v and iv are connected with ball screws v and iv, the ball screws v and iv are connected with feeding platforms v and iv, and pressure heads vi and v are arranged at the front ends of the feeding platforms v and iv.
Compared with the prior art, the auxiliary frame orthopedic device has the following advantages:
the sliding table I is driven to horizontally move through the air cylinder I, so that the pressure head I and the pressure head III are coaxial up and down, when the position of a casting hole is deformed upwards, the pressure head I at the lower part is used as a reference, the pressure head III at the upper part applies pressure downwards to carry out correction, and when the position of the casting hole is deformed downwards, the pressure head III at the upper part is used as a reference, and the pressure head I at the lower part applies pressure upwards to carry out correction. The servo pressure system I is used for finishing the correction of the auxiliary frame in the up-down direction.
The sliding table II is driven to horizontally move through the air cylinder II, the pressure head IV is located right above a casting hole, then the air cylinder III is started, the pressure head IV is driven to downwardly move, the horizontal heights of the pressure head IV and the pressure head II are consistent, when the position of the casting hole is deformed leftwards, the pressure head IV serves as a reference, the pressure head II applies pressure rightwards to carry out correction, when the position of the casting hole is deformed rightwards, the pressure head II serves as a reference, and the pressure head IV applies pressure to the inner wall of the hole to carry out correction. The servo pressure system II is used for finishing the correction of the left and right directions of the auxiliary frame.
When the position of the casting hole is deformed forwards, the pressure head V is used as a reference, the pressure head VI applies pressure backwards to carry out correction, and when the position of the casting hole is deformed backwards, the pressure head VI is used as a reference, and the pressure head V applies pressure forwards to carry out correction. The servo pressure system III is used for finishing the correction of the front and rear directions of the auxiliary frame.
The device can spatially correct the auxiliary frame from six directions of up and down, left and right, front and back, the double pressure heads can be used as references, the deformation of up and down, front and back can be solved, the deformation of overlarge or overlarge hole spacing can be solved, the process is advanced, the conception is ingenious, the device is flexible and practical, and the device is convenient and quick.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a front view of an orthopedic device for a subframe according to the present invention.
Fig. 2 is a top view of an orthopedic device for a subframe according to the present invention.
Reference numerals illustrate:
1-bottom hard support, 2-auxiliary support, 3-side hard support, 4-presser foot, 5-frame, 6-support plate, 7-servo motor I, 8-coupling, 9-guide rail I, 10-ball screw I, 11-feed platform I, 12-presser I, 13-servo motor II, 14-ball screw II, 15-guide rail II, 16-feed platform II, 17-presser II, 18-cylinder I, 19-horizontal guide rail, 20-slide table I, 21-servo motor III, 22-guide rail III, 23-feed platform III, 24-ball screw III, 25-presser head III, 26-cylinder II, 27-slide table II, 28-cylinder III, 29-vertical guide rail, 30-slide table III, 31-presser IV, 32-servo motor IV, 33-guide rail IV, 34-ball screw IV, 35-feed platform IV, 36-presser V, 37-servo motor V, 38-guide rail V, 39-ball screw V, 40-feed platform V, 41-presser VI.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in combination with embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes an example of an orthopedic subframe apparatus of the present invention with reference to fig. 1-2 in connection with an example.
The auxiliary frame orthopedic device shown in fig. 1-2 comprises a bottom surface hard support 1, an auxiliary support 2, a side surface hard support 3, a pressing claw 4, a frame 5, a support plate 6, a servo motor I7, a coupler 8, a guide rail I9, a ball screw I10, a feeding platform I11, a pressing head I12, a servo motor II 13, a ball screw II 14, a guide rail II 15, a feeding platform II 16, a pressing head II 17, a cylinder I18, a horizontal guide rail 19, a sliding table I20, a servo motor III 21, a guide rail III 22, a feeding platform III 23, a ball screw III 24, a pressing head III 25, a cylinder II 26, a sliding table II 27, a cylinder III 28, a vertical guide rail 29, a sliding table III 30, a pressing head IV 31, a servo motor IV 32, a guide rail IV 33, a ball screw IV 34, a feeding platform IV 35, a pressing head V36, a servo motor V37, a guide rail V38, a ball screw V39, a feeding platform V40, a pressing head VI 41 and other structures.
The auxiliary frame correcting device consists of front point correction for installing the automobile body and rear point correction for installing the automobile body, wherein the front point correction and the rear point correction have the same and symmetrical structures and are composed of three servo pressure systems, namely a servo pressure system I for finishing correction of the auxiliary frame in the up-down direction; secondly, a servo pressure system II is used for finishing the correction of the left and right directions of the auxiliary frame; thirdly, the servo pressure system III is used for finishing the correction of the front and rear directions of the auxiliary frame. When the correction device is used, correction of the front point of the vehicle body is finished, and then correction of the rear point of the vehicle body is carried out based on the correction.
And the auxiliary frame is positioned by adopting a six-point positioning principle. The three bottom surface hard supports 1 and the two auxiliary supports 2 are used for positioning the bottom surface of the auxiliary frame, the two side surface hard supports 3 are used for positioning the front surface of the auxiliary frame, and the one side surface hard support 3 is used for positioning the left side surface of the auxiliary frame. The auxiliary frame is clamped by adopting the pressing claw 4.
The servo motor I7 is fixed on the backup pad 6, and ball screw I10 is connected to its output, and ball screw I10 links to each other with feeding platform I11, and feeding platform I11 installs on guide rail I9, and pressure head I12 installs the front end at feeding platform I11. The servo motor I7 can control the up-and-down servo feeding of the pressure head I12. The horizontal guide rail 19 is fixed above the frame 5, the sliding table I20 is arranged on the horizontal guide rail 19, and the sliding table I20 can be controlled to move left and right through the air cylinder I18. The servo motor III 21 is fixed on the sliding table I20, the output end of the servo motor III is connected with the ball screw III 24, the feeding platform III 23 is arranged on the guide rail III 22, the pressure head III 25 is arranged at the front end of the feeding platform III 23, and the up-and-down servo feeding of the pressure head III 25 can be controlled through the servo motor III 21. The sliding table I20 is driven to horizontally move through the air cylinder I18, so that the pressure head I12 and the pressure head III 25 are coaxial up and down, when the position of a casting hole is deformed upwards, the pressure head I12 below is used as a reference, the pressure head III 25 above applies pressure downwards to carry out correction, and when the position of the casting hole is deformed downwards, the pressure head III 25 above is used as a reference, and the pressure head I12 below applies pressure upwards to carry out correction. The servo pressure system I is used for finishing the correction of the auxiliary frame in the up-down direction.
The servo motor II 13 is fixed on the left side of the frame 5, the output end of the servo motor II is connected with the ball screw II 14, the ball screw II 14 is connected with the feeding platform II 16, the feeding platform II 16 is arranged on the guide rail II 15, and the pressure head II 17 is arranged at the front end of the feeding platform II 16. The horizontal servo feed of the pressure head II 17 can be controlled by the servo motor II 13. The sliding table II 27 is arranged on the horizontal guide rail 19, and the sliding table II 27 can be controlled to move left and right through the air cylinder II 26. Cylinder III 28 is fixed on slip table II 27, and slip table III 30 is connected to its output, and slip table III 30 is installed on vertical guide 29, and pressure head IV 31 is installed at the front end of slip table III 30, can control pressure head IV 31 up-and-down motion through cylinder III 28. The sliding table II 27 is driven to horizontally move through the cylinder II 26, the pressure head IV 31 is located right above a casting hole, then the cylinder III 28 is started, the pressure head IV 31 is driven to downwardly move, the horizontal heights of the pressure head IV 31 and the pressure head II 17 are consistent, when the position of the casting hole is deformed leftwards, the pressure head IV 31 serves as a reference, the pressure head II 17 applies pressure rightwards to carry out correction, when the position of the casting hole is deformed rightwards, the pressure head II 17 serves as a reference, and the pressure head IV 31 applies pressure to the inner wall of the hole to carry out correction. The servo pressure system II is used for finishing the correction of the left and right directions of the auxiliary frame.
The servo motor IV 32 is fixed at the rear of the frame 5, the output end of the servo motor IV is connected with the ball screw IV 34, the ball screw IV 34 is connected with the feeding platform IV 35, the feeding platform IV 35 is arranged on the guide rail IV 33, and the pressure head V36 is arranged at the front end of the feeding platform IV 35. The servo motor IV 32 can control the front and back servo feeding of the pressure head V36. The servo motor V37 is fixed in front of the frame 5, the output end of the servo motor V37 is connected with the ball screw V39, the feeding platform V40 is arranged on the guide rail V38, the pressure head VI 41 is arranged at the front end of the feeding platform V40, and the front and back servo feeding of the pressure head VI 41 can be controlled through the servo motor V37. When the position of the casting hole is deformed forwards, the pressure head V36 is used as a reference, the pressure head VI 41 applies pressure backwards to carry out correction, and when the position of the casting hole is deformed backwards, the pressure head VI 41 is used as a reference, and the pressure head V36 applies pressure forwards to carry out correction. The servo pressure system III is used for finishing the correction of the front and rear directions of the auxiliary frame.
The auxiliary frame orthopedic device comprises the following working processes: firstly, positioning and clamping the auxiliary frame, then sequentially carrying out correction in the up-down direction, the left-right direction and the front-back direction, firstly finishing correction of a front point of the vehicle body installation, and then carrying out correction of a rear point of the vehicle body installation based on the correction.
Compared with the prior art, the auxiliary frame orthopedic device has the following advantages:
the sliding table I20 is driven to horizontally move through the air cylinder I18, so that the pressure head I12 and the pressure head III 25 are coaxial up and down, when the position of a casting hole is deformed upwards, the pressure head I12 below is used as a reference, the pressure head III 25 above applies pressure downwards to carry out correction, and when the position of the casting hole is deformed downwards, the pressure head III 25 above is used as a reference, and the pressure head I12 below applies pressure upwards to carry out correction. The servo pressure system I is used for finishing the correction of the auxiliary frame in the up-down direction.
The sliding table II 27 is driven to horizontally move through the cylinder II 26, the pressure head IV 31 is located right above a casting hole, then the cylinder III 28 is started, the pressure head IV 31 is driven to downwardly move, the horizontal heights of the pressure head IV 31 and the pressure head II 17 are consistent, when the position of the casting hole is deformed leftwards, the pressure head IV 31 serves as a reference, the pressure head II 17 applies pressure rightwards to carry out correction, when the position of the casting hole is deformed rightwards, the pressure head II 17 serves as a reference, and the pressure head IV 31 applies pressure to the inner wall of the hole to carry out correction. The servo pressure system II is used for finishing the correction of the left and right directions of the auxiliary frame.
When the position of the casting hole is deformed forwards, the pressure head V36 is used as a reference, the pressure head VI 41 applies pressure backwards to carry out correction, and when the position of the casting hole is deformed backwards, the pressure head VI 41 is used as a reference, and the pressure head V36 applies pressure forwards to carry out correction. The servo pressure system III is used for finishing the correction of the front and rear directions of the auxiliary frame.
The device can spatially correct the auxiliary frame from six directions of up and down, left and right, front and back, the double pressure heads can be used as references, the deformation of up and down, front and back can be solved, the deformation of overlarge or overlarge hole spacing can be solved, the process is advanced, the conception is ingenious, the device is flexible and practical, and the device is convenient and quick.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (3)
1. The utility model provides an orthopedic device of sub vehicle frame, includes frame (5), the frame bottom is equipped with vertical ascending strutting arrangement, its characterized in that: the automatic feeding device is characterized in that a horizontal guide rail (19) and a horizontally arranged cylinder I (18) are arranged on the upper portion of the frame (5), a supporting plate (6) is arranged on the lower portion of the frame (5), a servo motor I (7) is fixed on the supporting plate (6), the output end of the servo motor I (7) is upwards connected with a feeding platform I (11) through a linear transmission component, a pressure head I (12) is arranged at the front end of the feeding platform I (11), a sliding table I (20) is mounted on the horizontal guide rail (19), the output end of the cylinder I (18) is inwards connected with the sliding table I (20), a servo motor III (21) is fixed on the sliding table I (20), the output end of the servo motor III (21) is downwards connected with a ball screw III (24), the ball screw III (24) is connected with a feeding platform III (23), and a pressure head III (25) is arranged at the front end of the feeding platform III (23).
The linear transmission component is a ball screw I (10), and the ball screw I (10) is connected with a feeding platform I (11); the automatic feeding device is characterized in that servo motors II (13) with horizontally inward output ends are arranged on two sides of a frame (5) corresponding to the top surface of the supporting device, the output ends of the servo motors II (13) are connected with ball screws II (14), the ball screws II (14) are connected with a feeding platform II (16), the front ends of the feeding platform II (16) are provided with pressure heads II (17), sliding tables II (27) are further arranged on horizontal guide rails (19), the sliding tables II (27) are connected with the output ends of air cylinders II (26) fixed on the frame (5), the sliding tables II (27) are fixed with air cylinders III (28), the output ends of the air cylinders III (28) are connected with sliding tables III (30), and the front ends of the sliding tables III (30) are provided with pressure heads IV (31); the front and back of the frame (5) corresponding to the top surface of the supporting device are provided with servo motors V, IV (37, 32) with horizontally inward output ends, the output ends of the servo motors V, IV (37, 32) are connected with ball screws V, IV (39, 34), the ball screws V, IV (39, 34) are connected with feeding platforms V, IV (40, 35), and the front ends of the feeding platforms V, IV (40, 35) are provided with pressure heads VI, V (41, 36).
2. The subframe orthotic device of claim 1, wherein: the sliding table I (20) is also fixedly provided with a guide rail III (22), and the feeding platform III (23) is arranged on the guide rail III (22).
3. The subframe orthotic device of claim 1, wherein: a vertical guide rail (29) is further fixed on the sliding table II (27), and the sliding table III (30) is arranged on the vertical guide rail (29).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353292.XA CN109967561B (en) | 2019-04-29 | 2019-04-29 | Auxiliary frame orthopedic device |
| US16/669,457 US20200338613A1 (en) | 2019-04-29 | 2019-10-30 | Auxiliary frame shape correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353292.XA CN109967561B (en) | 2019-04-29 | 2019-04-29 | Auxiliary frame orthopedic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109967561A CN109967561A (en) | 2019-07-05 |
| CN109967561B true CN109967561B (en) | 2023-11-03 |
Family
ID=67086900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353292.XA Active CN109967561B (en) | 2019-04-29 | 2019-04-29 | Auxiliary frame orthopedic device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20200338613A1 (en) |
| CN (1) | CN109967561B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110871237A (en) * | 2019-11-27 | 2020-03-10 | 徐州市富昌制药机械有限公司 | Quick flattening device for mechanical maintenance |
| CN113909336B (en) * | 2020-07-08 | 2024-06-25 | 天津阿瑞斯工业炉有限公司 | Automatic calibration equipment and calibration method for auxiliary frame workpiece of automobile chassis |
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| CN109226342A (en) * | 2018-10-09 | 2019-01-18 | 李弟 | Apparatus for correcting after a kind of deformation of kitchen ventilator rigid support |
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2019
- 2019-04-29 CN CN201910353292.XA patent/CN109967561B/en active Active
- 2019-10-30 US US16/669,457 patent/US20200338613A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202668059U (en) * | 2012-02-14 | 2013-01-16 | 烟台金晖铜业有限公司 | Parallel type milling and drilling machine |
| CN102672006A (en) * | 2012-04-25 | 2012-09-19 | 上海晓奥享荣汽车工业装备有限公司 | Device for correcting automobile frame body |
| CN203330184U (en) * | 2013-06-27 | 2013-12-11 | 天津跑狼自行车有限公司 | Bicycle frame calibration stand |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20200338613A1 (en) | 2020-10-29 |
| CN109967561A (en) | 2019-07-05 |
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